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学科主题: 生物科学::植物学
题名: Intensified wind pollination mediated by pollen dimorphism after range expansion in an ambophilous biennial Aconitum gymnandrum
作者: Wang, LL (Wang, Lin-Lin)1, 2, 3; Zhang, C (Zhang, Chan)4; Yang, ML (Yang, Ming-Liu)5; Zhang, GP (Zhang, Guo-Peng)5; Zhang, ZQ (Zhang, Zhi-Qiang)1, 2, 3; Yang, YP (Yang, Yong-Ping)1, 2, 3; Duan, YW (Duan, Yuan-Wen)1, 2, 3
通讯作者: Duan, YW
关键词: QINGHAI-TIBETAN PLATEAU ; PERIPHERAL-POPULATIONS ; GENETIC-VARIATION ; SEX ALLOCATION ; ALPINE PLANTS ; EVOLUTION ; RANUNCULACEAE ; ECOLOGY ; INSECT ; HISTORY
刊名: ECOLOGY AND EVOLUTION
发表日期: 2017
DOI: 10.1002/ece3.2636
卷: 7, 期:2, 页:541-549
收录类别: SCI
合作性质: 国内
文章类型: Article
类目[WOS]: Ecology; Evolutionary Biology ; Environmental Sciences & Ecology; Evolutionary Biology
研究领域[WOS]: Environmental Sciences & Ecology; Evolutionary Biology
英文摘要: Pollination systems and associated floral traits generally differ between core and marginal populations of a species. However, such differences are rarely examined in plants with a mixed wind-and bumblebee-pollination system, and the role of wind pollination during range expansion in ambophilous plants remains unclear. We compared floral traits and the contributions of bumblebee and wind pollination in refugium and marginal populations of the ambophilous plant Aconitum gymnandrum. We found that most floral traits differed between the two populations, and those traits associated with the shift to wind pollination were pronounced in the marginal population. Bumblebee visitation rates varied significantly, but were generally low in the marginal population. Wind pollination occurred in both populations, and the efficiency was lower than that of bumblebee pollination. Two types of pollen grains, namely round and fusiform pollen, were transported to a stigma by bumblebees and wind, but fusiform pollen contributed to wind pollination to a larger degree, especially in the marginal population. Our results suggest that wind pollination was enhanced by pollen dimorphism in the marginal population of A. gymnandrum, and wind pollination may provide reproductive assurance when bumblebee activity is unpredictable during range expansion, indicating that ambophily is stable in this species and shift in pollination system could be common when plants colonize new habitats.
语种: 英语
WOS记录号: WOS:000392075300008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/8399
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China.
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Kunming, Yunnan, Peoples R China.
3.Chinese Acad Sci, Kunming Inst Bot, Inst Tibetan Plateau Res Kunming, Kunming, Yunnan, Peoples R China.
4.Henan Normal Univ, Coll Life Sci, Xinxiang, Herts, Peoples R China.
5.Yunnan Normal Univ, Coll Life Sci, Kunming, Yunnan, Peoples R China.

Recommended Citation:
Wang, LL ,Zhang, C ,Yang, ML ,et al. Intensified wind pollination mediated by pollen dimorphism after range expansion in an ambophilous biennial Aconitum gymnandrum[J]. ECOLOGY AND EVOLUTION,2017,7(2):541-549.
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文件名: V.7(2) 541-549 2017.pdf
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